Smart Trainer That Meets All Your Needs
Looking for a smart direct-drive trainer? The FLUX S Smart is the ideal partner for indoor training, designed to assist you as you sweat it out while riding with your favorite apps.
- You really care. That's why we measure your data with precision within 3%
- Go ahead, indulge in a beastly ride. This trainer is exceptionally quiet
- Climb the leaderboard with your favorite apps, including Zwift and Tacx
- Feel the burn. Simulated gradients resist even your most intense sprints
- Ride seated or standing without hesitation. This trainer can handle it

Precise and Reliable
Track your performance and progress with reliable, consistent measurements, including power, speed, and cadence with accuracy within 3%.
Ready for Sprints
Well-balanced design and a large trainer surface ensure maximum stability even during explosive sprints, up to 1,500 watts.
Climb Even Higher
Make the most of intense workouts by training on realistically simulated gradients of up to 10% gradient.
Realistic Riding Experience
A heavy 7 kg flywheel provides a lifelike riding feel and excellent responsiveness.
Sleek and Quiet
This direct-drive trainer is designed to minimize vibrations and noise, making it one of the quietest available wheel-on cycling trainers.

Exceptional Compatibility
FLUX S Smart can communicate via Bluetooth® Smart technology and ANT+® FE-C protocol, which means it works with a range of popular training apps like TrainerRoad and Zwift.
Standalone Mode
You can choose to use the trainer in standalone mode. When not connected, it will simulate a flat road; the faster you ride, the greater the resistance.
Device Compatibility
Connect the FLUX S Smart trainer to multiple devices simultaneously so you can enjoy Tacx software and track your performance on a Garmin cycling computer at the same time.
Tacx Training Software
Enjoy a library of over 100 high-quality real-life video recordings that allow you to experience the adrenaline of riding steep Alpine slopes or the rocky roads of Milan.
Tacx Training Plans
Take advantage of structured training plans designed for your fitness level to help you achieve your goals. Race against live opponents, transmit GPS data, ride with 3D maps, and more.
Specifications:
General
|
| DIMENSIONS |
670 x 642 mm (26.4 x 25.3 in) |
| WEIGHT |
22.8 kg (50.3 lbs)
|
| HEIGHT |
460 mm (18.1 in) |
Connectivity
|
| WIRELESS COMMUNICATION |
ANT+ connectivity, BLUETOOTH wireless technology
|
| CONTROL |
Smartphone, tablet, ANT+ bike computers, standalone, computer connection via ANT+ antenna
|
| READING |
Smartphone, tablet, bike computer, computer with ANT+ antenna
|
Indoor Training Features
|
| MAGNETS |
8 permanent ferrite magnets and 8 electromagnets |
| ELECTRICAL REQUIREMENTS |
110 – 240 V |
| COMPATIBLE CASSETTES |
Shimano and SRAM: 8 – 11 speeds.
Campagnolo, SRAM XD, and XD-R hub parts (sold separately). Not suitable for the specialized SCS system.
|
| COMPATIBLE AXLES |
Rear fork width: road bike 130 mm, MTB 135 mm.
Adapters are available for other widths.
|
| MAXIMUM POWER |
1500 watts |
| MAXIMUM INCLINE |
10% |
| MAXIMUM TORQUE |
22.1 Nm |
| MAXIMUM BRAKING FORCE |
65 N |
| FLYWHEEL |
7 kg (15.4 lbs) |
| INERTIAL MASS |
22.8 kg (50.3 lbs) |
| CALIBRATION |
Deceleration of rotation |
| OUTPUT VALUES |
Speed, cadence, power |
| ACCURACY |
< 3% |
| MEASURED SPEED |
|
| MEASURED CADENCE |
|
| MEASURED POWER |
|
| Magnets |
8 permanent ferrite magnets and 8 electromagnets |
| Electrical Requirements |
110 – 240 V |
| Connection Indicator (ANT+/BLUETOOTH) |
2 LEDs |
| Compatible Cassettes |
Shimano and SRAM: 8 – 11 speeds.
Campagnolo, SRAM XD, and XD-R hub parts (sold separately). Not suitable for the specialized SCS system. |
| Compatible Axles |
Rear fork width: road bike 130 mm, mountain bike 135 mm.
Adapters are available for other widths. |
| Maximum Power |
1500 watts |
| Maximum Incline |
10% |
| Maximum Torque |
22.1 Nm |
| Maximum Braking Force |
65 N |
| Flywheel |
7 kg |
| Inertial Mass |
22.8 kg |
| Calibration |
Deceleration of rotation |
| Surface |
670 x 642 mm |
| Height |
460 mm |
| Weight |
22.8 kg |
| Wireless Communication |
ANT+ connectivity, BLUETOOTH wireless technology |
| Control |
Smartphone, tablet, ANT+ cycling computers, standalone, computer connection via ANT+ antenna |
| Output Values |
Speed, cadence, power |
| Reading |
Smartphone, tablet, cycling computer, computer with ANT+ antenna |
| Accuracy |
< 3% |
Packaging:
- FLUX S Smart Trainer
- Quick-release axle for road and mountain bikes (5 mm)
- 1-month Tacx Premium software
Review
(3)
Review (3)